<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动画加载效果</title>
    <link rel="stylesheet" href="css/loading.css">
</head>
<body>
    <div id="loader">
        <div id="dot1" class="dot"></div>
        <div id="dot2" class="dot"></div>
        <div id="dot3" class="dot"></div>
        <div id="dot4" class="dot"></div>
      </div>
      <div id="loader2">
        <div id="squircle1" class="squircle">
        </div>
        <div id="squircle2" class="squircle"><br />
        </div>
        <div id="squircle4" class="squircle">
        </div>
        <div id="squircle3" class="squircle"></div>
      </div>
      <div id="loader3">
    
      </div>
</body>
</html>